As important as keeping Earth’s citizens safe is to Kara, so is her connection with Alex, and any family ties she still has left.
By all means, it’s understandable why the creative team chose to strike up this imbalance between the non-biological sisters.
In any case, this brief-but-powerful clip provides one of our first looks at how the “Elseworlds” storyline is going to affect the Supergirl characters.